Early this year, workers at the Wanapum Dam in central Washington state discovered that a 50-year-old mathematical error, made during dam design, had caused a 65-ft-long fracture. The 8,367-ft-long ...

A 7-year-old boy was swept off a rock at Whatcom Falls yesterday and is in critical condition at Children’s Hospital in Seattle this morning. The youngster was with his family when he slipped and went ...

After an 11-week investigation by the Grant County PUD, officials have determined that a math error in pre-construction was the main reason a crack developed in the ...

As part of the fix, crews will install lift-joint drains to allow officials to identify future issues. Installed equipment will include piezometer pressure gauges. A more complex component set for ...